30990974

素因数分解:

$2^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{4349}}^1$

素因数の和:4867

約数の個数: 16

約数和(自身を含む): 53244000

約数和(自身を除く): 22253026

約数列:

[1, 2, 7, 14, 509, 1018, 3563, 4349, 7126, 8698, 30443, 60886, 2213641, 4427282, 15495487, 30990974]

約数ペア:

[(1, 30990974), (2, 15495487), (7, 4427282), (14, 2213641), (509, 60886), (1018, 30443), (3563, 8698), (4349, 7126)]